﻿#include <iostream>

using namespace std;

int main() {
	int n;

	do {
		cout << "n：";
		cin >> n;
	} while (n <= 0);

	for (int i = 0; i < n; i++) {
		for (int j = 0; j <= i; j++) {
			cout << '*';
		}
		cout << '\n';
	}

	cin.get();
	cin.get();
}